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【单选题】
下列关于投资组合理论的表述中，不正确的是（）。
A.
当增加投资组合中资产的种类时，组合风险将不断降低，而报酬率仍然是个别资产报酬率的加权平均值
B.
投资组合中的资产多样化到一定程度后，唯一剩下的风险是系统风险
C.
在充分组合的情况下，单个资产的风险对于决策是没有用的，投资人关注的只是投资组合的风险
D.
在投资组合理论出现以后，风险是指投资组合的全部风险
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【单选题】液限是指（）的界限含水率。
A.
可塑状态与半固态之间
B.
半固态与固态之间
C.
流动状态与可塑状态之间
D.
含水量减小而土体积开始不变时
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【单选题】《悲惨世界》中除了描写了法国共和党的街战,还涉及( ) 这一史实。
A.
拿破仑战败
B.
一七八九年大革命
C.
雾月起义
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【单选题】One of the reasons for the current crisis in American colleges and universities is that ______.
A.
a narrow vocationalism has come to dominate many colleges
B.
students don't have enough freedom in choosing what they want to learn
C.
skills are being taught as a means to an end
D.
students are not interested in learning
查看完整题目与答案
【单选题】One of the reasons for the current crisis in American colleges and universities is that______.
A.
a narrow vocationalism has come to dominate any colleges
B.
students don't have enough freedom in choosing what they want learn
C.
skills are being taught as a means to an end
D.
students are only interested in obtaining credentials
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【简答题】患者,女,52岁,患者于1个月前受凉后出现咳嗽、胸闷气喘,咳少量白痰,多在夜间发作,发作时患者端坐呼吸,呈呼气性呼吸困难,大汗淋漓。查体:T37.0°C,P118次/min,R26次/min,BP130/80mmHg。动脉血气分析示:pH7.46,PaCO 2 29.7mmHg,PaO 2 66.0mmHg,HCO 3 - 21.0mmol/L,SaO 2 88.8%。入院后给予吸氧,氨茶碱,氢化...
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【判断题】液限是指可塑状态与流动状态之间的界限含水率。
A.
正确
B.
错误
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【多选题】巩固阶段也是课堂的开始，老师心里大概都有疑问：学生自学是否都学了呢？如果学了是否学会了呢？可以通过以下哪些简单的活动来测试学生的学习效果。（）
A.
即时测验
B.
一分钟讲述
C.
我问你答
D.
接龙
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【判断题】摩卡壶底座注水水位因该在安全阀0.5厘米以下位置。
A.
正确
B.
错误
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【单选题】One of the reasons for the current crisis in American colleges and universities is that ______.
A.
a narrow vocationalism has come to dominate many colleges
B.
students don't have enough freedom in choosing what they want to learn
C.
skills are being taught as a means to an end
D.
students are only interested in obtaining credentials
查看完整题目与答案
【多选题】巩固阶段也是课堂的开始,老师心里大概都有疑问:学生自学是否都学了呢?如果学了是否学会了呢?可以通过以下哪些简单的活动来测试学生的学习效果。()
A.
我问你答
B.
接龙一分钟
C.
讲述
D.
即时测验
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【单选题】液限是指（）的界限含水率。
A.
可塑状态与半固态之间
B.
半固态与固态之间
C.
流动状态与可塑状态之间
D.
含水量减小而土体积开始不变时
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【单选题】《悲惨世界》中除了描写了法国共和党的街战,还涉及( ) 这一史实。
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【单选题】One of the reasons for the current crisis in American colleges and universities is that ______.
A.
a narrow vocationalism has come to dominate many colleges
B.
students don't have enough freedom in choosing what they want to learn
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skills are being taught as a means to an end
D.
students are not interested in learning
查看完整题目与答案
【单选题】One of the reasons for the current crisis in American colleges and universities is that______.
A.
a narrow vocationalism has come to dominate any colleges
B.
students don't have enough freedom in choosing what they want learn
C.
skills are being taught as a means to an end
D.
students are only interested in obtaining credentials
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【简答题】患者,女,52岁,患者于1个月前受凉后出现咳嗽、胸闷气喘,咳少量白痰,多在夜间发作,发作时患者端坐呼吸,呈呼气性呼吸困难,大汗淋漓。查体:T37.0°C,P118次/min,R26次/min,BP130/80mmHg。动脉血气分析示:pH7.46,PaCO 2 29.7mmHg,PaO 2 66.0mmHg,HCO 3 - 21.0mmol/L,SaO 2 88.8%。入院后给予吸氧,氨茶碱,氢化...
查看完整题目与答案
【判断题】液限是指可塑状态与流动状态之间的界限含水率。
A.
正确
B.
错误
查看完整题目与答案
【多选题】巩固阶段也是课堂的开始，老师心里大概都有疑问：学生自学是否都学了呢？如果学了是否学会了呢？可以通过以下哪些简单的活动来测试学生的学习效果。（）
A.
即时测验
B.
一分钟讲述
C.
我问你答
D.
接龙
查看完整题目与答案
【判断题】摩卡壶底座注水水位因该在安全阀0.5厘米以下位置。
A.
正确
B.
错误
查看完整题目与答案
【单选题】One of the reasons for the current crisis in American colleges and universities is that ______.
A.
a narrow vocationalism has come to dominate many colleges
B.
students don't have enough freedom in choosing what they want to learn
C.
skills are being taught as a means to an end
D.
students are only interested in obtaining credentials
查看完整题目与答案
【多选题】巩固阶段也是课堂的开始,老师心里大概都有疑问:学生自学是否都学了呢?如果学了是否学会了呢?可以通过以下哪些简单的活动来测试学生的学习效果。()
A.
我问你答
B.
接龙一分钟
C.
讲述
D.
即时测验
查看完整题目与答案